:root{--blue:#2350AA;--navy:#0B1F3A;--nude:#E7D8C9;--light:#E7EFFB;--pale:#F3F6FB;--ink:#111827;--muted:#5B6472;--white:#fff;--line:#D8E0EC}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--white);line-height:1.55}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.container{width:min(1120px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}.brand{display:flex;align-items:center;gap:12px;color:var(--navy);font-weight:800;font-size:20px}.logo{width:38px;height:38px;border-radius:10px;background:var(--blue);color:white;display:grid;place-items:center;font-weight:900}
.nav-links{display:flex;gap:22px;align-items:center;flex-wrap:wrap}.nav-links a{color:var(--navy);font-weight:650}.btn{display:inline-block;padding:12px 18px;border-radius:10px;font-weight:750;border:1px solid transparent}.btn-primary{background:var(--blue);color:white}.btn-primary:hover{background:#1d448f;text-decoration:none}.btn-secondary{background:white;border-color:var(--blue);color:var(--blue)}.btn-secondary:hover{background:var(--light);text-decoration:none}.btn-disabled{background:#e8ebf0;color:#707782;cursor:not-allowed}
.hero{background:linear-gradient(135deg,var(--navy),#183b70);color:white;padding:76px 0}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:42px;align-items:center}.eyebrow{font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#c8d7f5}
h1{font-size:clamp(38px,6vw,64px);line-height:1.04;margin:12px 0 18px;letter-spacing:-.03em}h2{font-size:32px;line-height:1.2;margin:0 0 16px;color:var(--navy)}h3{font-size:20px;color:var(--navy);margin:0 0 10px}.lede{font-size:19px;color:#edf3ff;max-width:760px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero-card{background:white;color:var(--ink);border-radius:18px;padding:28px;box-shadow:0 18px 45px rgba(0,0,0,.18)}.hero-card .price{font-size:44px;font-weight:900;color:var(--navy);line-height:1}.hero-card .old{font-size:16px;color:var(--muted);text-decoration:line-through}.hero-card .badge{display:inline-block;background:var(--nude);color:var(--navy);font-weight:800;padding:6px 10px;border-radius:999px;margin-bottom:14px}
.section{padding:68px 0}.section.alt{background:var(--pale)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:white;border:1px solid var(--line);border-radius:16px;padding:24px}.card p{color:var(--muted);margin-bottom:0}
.callout{background:var(--nude);border-left:5px solid var(--blue);padding:18px 20px;border-radius:10px;color:var(--navy);font-weight:650}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}table{border-collapse:collapse;width:100%;min-width:680px}th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:var(--navy);color:white}tr:last-child td{border-bottom:0}
.muted{color:var(--muted)}.page-hero{padding:54px 0;background:var(--light);border-bottom:1px solid var(--line)}.page-hero h1{color:var(--navy);font-size:46px}.page-hero p{font-size:18px;max-width:760px;color:#35445c}.prose{max-width:840px}.prose h2{margin-top:38px}.prose h3{margin-top:26px}.prose ul{padding-left:22px}.code{background:#0f172a;color:#e5eefc;padding:16px 18px;border-radius:10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;overflow:auto}.notice{background:var(--light);border:1px solid #cbd8ef;border-radius:12px;padding:18px}
.footer{background:var(--navy);color:white;padding:38px 0;margin-top:30px}.footer-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}.footer a{color:#dbe7ff}.small{font-size:13px}
@media(max-width:820px){.hero-grid,.grid-3{grid-template-columns:1fr}.nav{align-items:flex-start;padding:14px 0}.nav-links{gap:12px}h1{font-size:42px}}